From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: robh+dt@kernel.org
Cc: krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com,
angelogioacchino.delregno@collabora.com, hsinyi@chromium.org,
nfraprado@collabora.com, allen-kh.cheng@mediatek.com,
gtk3@inbox.ru, luca@z3ntu.xyz, sam.shih@mediatek.com,
sean.wang@mediatek.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, wenst@chromium.org
Subject: [PATCH 05/11] arm64: dts: mediatek: cherry: Add support for internal eMMC storage
Date: Thu, 30 Jun 2022 17:33:10 +0200 [thread overview]
Message-ID: <20220630153316.308767-6-angelogioacchino.delregno@collabora.com> (raw)
In-Reply-To: <20220630153316.308767-1-angelogioacchino.delregno@collabora.com>
Add mtk-sd controller and pin configuration to enable the internal
eMMC storage: now it is possible to mount a rootfs located at the
internal storage.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
.../boot/dts/mediatek/mt8195-cherry.dtsi | 87 +++++++++++++++++++
1 file changed, 87 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index 091338f7d5ff..8c4b492f774f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -9,6 +9,7 @@
/ {
aliases {
+ mmc0 = &mmc0;
serial0 = &uart0;
};
@@ -87,6 +88,26 @@ ppvar_sys: regulator-ppvar-sys {
};
};
+&mmc0 {
+ status = "okay";
+
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ cap-mmc-hw-reset;
+ hs400-ds-delay = <0x14c11>;
+ max-frequency = <200000000>;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ no-sdio;
+ no-sd;
+ non-removable;
+ pinctrl-names = "default", "state_uhs";
+ pinctrl-0 = <&mmc0_pins_default>;
+ pinctrl-1 = <&mmc0_pins_uhs>;
+ vmmc-supply = <&mt6359_vemc_1_ldo_reg>;
+ vqmmc-supply = <&mt6359_vufs_ldo_reg>;
+};
+
/* for CPU-L */
&mt6359_vcore_buck_reg {
regulator-always-on;
@@ -123,6 +144,72 @@ &mt6359_vufs_ldo_reg {
regulator-always-on;
};
+&pio {
+ mmc0_pins_default: mmc0-default-pins {
+ pins-cmd-dat {
+ pinmux = <PINMUX_GPIO126__FUNC_MSDC0_DAT0>,
+ <PINMUX_GPIO125__FUNC_MSDC0_DAT1>,
+ <PINMUX_GPIO124__FUNC_MSDC0_DAT2>,
+ <PINMUX_GPIO123__FUNC_MSDC0_DAT3>,
+ <PINMUX_GPIO119__FUNC_MSDC0_DAT4>,
+ <PINMUX_GPIO118__FUNC_MSDC0_DAT5>,
+ <PINMUX_GPIO117__FUNC_MSDC0_DAT6>,
+ <PINMUX_GPIO116__FUNC_MSDC0_DAT7>,
+ <PINMUX_GPIO121__FUNC_MSDC0_CMD>;
+ input-enable;
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+
+ pins-clk {
+ pinmux = <PINMUX_GPIO122__FUNC_MSDC0_CLK>;
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ pins-rst {
+ pinmux = <PINMUX_GPIO120__FUNC_MSDC0_RSTB>;
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+ };
+
+ mmc0_pins_uhs: mmc0-uhs-pins {
+ pins-cmd-dat {
+ pinmux = <PINMUX_GPIO126__FUNC_MSDC0_DAT0>,
+ <PINMUX_GPIO125__FUNC_MSDC0_DAT1>,
+ <PINMUX_GPIO124__FUNC_MSDC0_DAT2>,
+ <PINMUX_GPIO123__FUNC_MSDC0_DAT3>,
+ <PINMUX_GPIO119__FUNC_MSDC0_DAT4>,
+ <PINMUX_GPIO118__FUNC_MSDC0_DAT5>,
+ <PINMUX_GPIO117__FUNC_MSDC0_DAT6>,
+ <PINMUX_GPIO116__FUNC_MSDC0_DAT7>,
+ <PINMUX_GPIO121__FUNC_MSDC0_CMD>;
+ input-enable;
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+
+ pins-clk {
+ pinmux = <PINMUX_GPIO122__FUNC_MSDC0_CLK>;
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ pins-ds {
+ pinmux = <PINMUX_GPIO127__FUNC_MSDC0_DSL>;
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ pins-rst {
+ pinmux = <PINMUX_GPIO120__FUNC_MSDC0_RSTB>;
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+ };
+};
+
&pmic {
interrupts-extended = <&pio 222 IRQ_TYPE_LEVEL_HIGH>;
};
--
2.35.1
next prev parent reply other threads:[~2022-06-30 15:33 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-30 15:33 [PATCH 00/11] MT8195 Chromebooks devicetrees - Google Tomato AngeloGioacchino Del Regno
2022-06-30 15:33 ` [PATCH 01/11] dt-bindings: arm: mediatek: Add MT8195 Cherry Tomato Chromebooks AngeloGioacchino Del Regno
2022-06-30 18:26 ` Krzysztof Kozlowski
2022-07-01 15:31 ` Nícolas F. R. A. Prado
2022-07-04 8:51 ` AngeloGioacchino Del Regno
2022-07-01 22:04 ` Nícolas F. R. A. Prado
2022-07-04 8:56 ` AngeloGioacchino Del Regno
2022-06-30 15:33 ` [PATCH 02/11] arm64: dts: mediatek: Introduce MT8195 Cherry platform's Tomato AngeloGioacchino Del Regno
2022-07-01 22:11 ` Nícolas F. R. A. Prado
2022-07-04 4:17 ` Chen-Yu Tsai
2022-07-04 8:59 ` AngeloGioacchino Del Regno
2022-07-04 9:05 ` Chen-Yu Tsai
2022-07-04 9:06 ` AngeloGioacchino Del Regno
2022-06-30 15:33 ` [PATCH 03/11] arm64: dts: mediatek: cherry: Assign interrupt line to MT6359 PMIC AngeloGioacchino Del Regno
2022-07-01 22:20 ` Nícolas F. R. A. Prado
2022-06-30 15:33 ` [PATCH 04/11] arm64: dts: mediatek: cherry: Add platform regulators layout and config AngeloGioacchino Del Regno
2022-07-01 22:26 ` Nícolas F. R. A. Prado
2022-06-30 15:33 ` AngeloGioacchino Del Regno [this message]
2022-07-01 22:36 ` [PATCH 05/11] arm64: dts: mediatek: cherry: Add support for internal eMMC storage Nícolas F. R. A. Prado
2022-06-30 15:33 ` [PATCH 06/11] arm64: dts: mediatek: cherry: Document gpios and add default pin config AngeloGioacchino Del Regno
2022-07-01 22:39 ` Nícolas F. R. A. Prado
2022-06-30 15:33 ` [PATCH 07/11] arm64: dts: mediatek: cherry: Enable I2C and SPI controllers AngeloGioacchino Del Regno
2022-07-01 22:42 ` Nícolas F. R. A. Prado
2022-06-30 15:33 ` [PATCH 08/11] arm64: dts: mediatek: cherry: Enable T-PHYs and USB XHCI controllers AngeloGioacchino Del Regno
2022-07-01 22:43 ` Nícolas F. R. A. Prado
2022-06-30 15:33 ` [PATCH 09/11] arm64: dts: mediatek: cherry: Enable MT6360 sub-pmic on I2C7 AngeloGioacchino Del Regno
2022-07-01 22:45 ` Nícolas F. R. A. Prado
2022-06-30 15:33 ` [PATCH 10/11] arm64: dts: mediatek: cherry: Enable support for the SPI NOR flash AngeloGioacchino Del Regno
2022-07-01 22:47 ` Nícolas F. R. A. Prado
2022-06-30 15:33 ` [PATCH 11/11] arm64: dts: mediatek: cherry: Add I2C-HID touchscreen on I2C4 AngeloGioacchino Del Regno
2022-07-01 22:49 ` Nícolas F. R. A. Prado
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